Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1995REGAL GRAN SPORTREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE OVERHAUL & TESTING - 4T60-EON-VEHICLE SERVICEOIL COOLER FLUSHING
1995 Buick Regal Gran Sport
Oil Cooler Flushing
1995 Buick Regal Gran SportSECTION Oil Cooler Flushing
- If available, fill Line Flusher (J-35944) with solution, and install oil cooler and line flusher to top transaxle cooler line on transaxle. Follow manufacturer's instructions to flush oil cooler and cooler lines.
- If line flusher is not available, flush cooler and cooler lines with a mixture of clean solvent and water. Flush cooler in both directions until all old fluid and debris are removed. If necessary, replace plugged or damaged cooler and/or lines.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.